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Round|Lab Grown|IGI

3.12ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG805678310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805678310

Diamond specifications and retailer prices

From $1,003 USD
As of October 29, 2026
Save $3,052 USD (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,315 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.12ct lab-grown round diamond

This 3.12ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805678310 or 805678310. Listed at 23 retailers as of October 29, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.12
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805678310
Dimensions9.31 × 9.34 × 5.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.31 mm9.34 mm3.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805678310
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,315 USD|Low: $1,091 USD|High: $4,360 USD|Avg: $2,420 USD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4$1,091 USD
Retailer 5$1,123 USD
Retailer 9$1,340 USD
Retailer 3$1,431 USD
Retailer 2$1,670 USD
Retailer 10$1,742 USD
Retailer 8$1,946 USD
Retailer 11$2,625 USD
Retailer 6$2,701 USD
Retailer 12$3,600 USD
Retailer 13$3,903 USD
Retailer 7$3,966 USD
Rare Carat$4,315 USD

44 data points across 13 retailers

23 retailers$1,003 USD to $4,055 USD

A
Cheapest Retailer
-
$1,003 USD
A
Retailer 2
-
$1,091 USD
View
A
Retailer 3
-
$1,123 USD
View
Final sale: no returns
A
Retailer 4
-
$1,163 USD
View
Retailer 5
-
$1,163 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,340 USD
View
A
Retailer 7
-
$1,344 USD
HK$10,500 HKD
View
A
Retailer 8
-
$1,431 USD
View
B+
Retailer 9
-
$1,670 USD
£1,315 GBP
View
B+
Retailer 10
-
$1,742 USD
View
B+
Retailer 11
-
$1,946 USD
€1,853 EUR
View
B+
Retailer 12
-
$2,172 USD
View
B+
Retailer 13
-
$2,180 USD
View
B+
Retailer 14
-
$2,431 USD
View
Retailer 15
-
$2,625 USD
A$4,038 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$2,701 USD
ZAR 43,635 ZAR
View
B
Retailer 17
-
$3,600 USD
View
B
Retailer 18
-
$3,607 USD
View
B
Retailer 19
-
$3,755 USD
View
B
Retailer 20
-
$3,903 USD
SGD 5,274 SGD
View
B
Retailer 21
-
$3,966 USD
£3,123 GBP
View
B
Retailer 22
-
$4,055 USD
View
Most Expensive
Rare Carat
273-3231A · Oct 18
$4,315 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $1,003 USDSave up to $3,052 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.12ct Round
$1,003 USD